<template>
    <div class="container">
        <div class="app-container">
            <el-tree
                :data="depts"
                :props="defaultProps"
                default-expand-all
                :expand-on-click-node=false
                @node-click="handleNodeClick">
                <template v-slot="{ data }">
                    <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
                        <el-col>{{ data.name }}</el-col>
                        <el-col :span="4">
                            <span class="tree-manager">{{ data.managerName }}</span>
                            <!-- $event 实参 表示类型 -->
                            <el-dropdown @command="clickDropdown" trigger="click">
                                <!-- 显示区域内容 -->
                                <span class="el-dropdown-link">
                                    操作<i class="el-icon-arrow-down el-icon--right"/>
                                </span>
                                <!-- 下拉菜单选项 -->
                                <el-dropdown-menu slot="dropdown">
                                    <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                                    <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                                    <el-dropdown-item command="del">删除</el-dropdown-item>
                                </el-dropdown-menu>
                            </el-dropdown>
                        </el-col>
                    </el-row>
                </template>
            </el-tree>
        </div>

        <dialog-page :pid="pid" :type="type" :showDialog.sync="showDialog"></dialog-page>
    </div>
</template>
<script>
import { delDeptItem, getDepartment } from '@/api/department'
import DialogPage from '@/views/department/dialog.vue'
import logo from '@/layout/components/Sidebar/Logo.vue'

export default {
    name: 'Department',
    components: { DialogPage },
    created () {
        this.render()
    },
    data () {
        return {
            showDialog: false,
            depts: [],
            defaultProps: {
                label: 'name',
                children: 'children'
            },
            pid: '',
            type: ''
        }
    },
    watch: {
        showDialog(val) {
            if (!val) this.render()
        }
    },
    methods: {
        async render() {
            const res = await getDepartment()
            console.log(res.data.data)
            this.depts = this.arrToTree(res.data.data, 0)
            console.log(this.depts)
        },
        handleNodeClick (data) {
            this.pid = data.id
        },
        arrToTree (arr, id) {
            const tree = []
            arr.forEach(e => {
                if (e.pid === id) {
                    e.children = this.arrToTree(arr, e.id)
                    tree.push(e)
                }
            })
            return tree
        },
        async clickDropdown (type) {
            if (type === 'add') {
                this.type = type
                this.showDialog = true
            } else if (type === 'edit') {
                this.type = type
                this.showDialog = true
            } else {
                const res = await this.$confirm('123').catch(err => {})
                if (res) {
                    await delDeptItem(this.pid)
                    await this.render()
                }
            }
        }
    }
}
</script>

<style scoped>
.app-container {
    padding: 30px 140px;
    font-size: 14px;
}

.tree-manager {
    width: 50px;
    display: inline-block;
    margin: 10px;
}
</style>
